#040d12

Color #040d12

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 4.91 Nearest Tailwind class mist-950 #090b0c · ΔE 2.9

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Conversions

HEX

#040d12

RGB

rgb(4, 13, 18)

HSL

hsl(201.4, 63.6%, 4.3%)

HSV / HSB

hsv(201.4, 77.8%, 7.1%)

CMYK

cmyk(77.8%, 27.8%, 0%, 92.9%)

LAB

lab(3.23, -1.49, -3.38)

LCH

lch(3.23, 3.69, 246.21)

OKLCH

oklch(15.2%, 0.0189, 229.92)

HWB

hwb(201.4, 1.6%, 92.9%)

Harmony colors

Complementary

#120904

Analogous

#041210

#040d12

#040612

Triadic

#040d12

#12040d

#0d1204

Split-complementary

#040d12

#120406

#121004

Tetradic

#040d12

#090412

#120904

#0d1204

Square

#040d12

#100412

#120904

#061204

Shades

Color #040d12 mixed toward black.

#030b0f

#03090c

#020609

#010406

#010203

Tints

Color #040d12 mixed toward white.

#133d54

#226d97

#379bd3

#7abce1

#bcdef0

Tones

Color #040d12 mixed toward gray.

#050d11

#060c10

#070c0e

#090c0d

#0a0b0c

Accessibility

Aa White text on this color

19.6:1

Aa Black text on this color

1.07:1

White text reads better on this background (19.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#080811 · ΔE 4.3

Deuteranopia

#070711 · ΔE 4.5

Tritanopia

#041010 · ΔE 3.3

Achromatopsia

#0c0c0c · ΔE 3.7

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #040d12;

Tailwind (arbitrary value)

bg-[#040d12]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Steel Blue #4682b4

Deep Sky Blue #00bfff

Alice Blue #f0f8ff

Frequently asked questions

#040d12 (#040d12) is rgb(4, 13, 18) in RGB.

No, #040d12 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #040d12, or check how it holds up for accessibility.

Generate a palette → Check contrast